#=============================================================================================================================
#
# Script Name: UninstallHotfix.ps1
# Description: Uninstall scpecific KB updates
# Notes: inspired by https://techibee.com/powershell/powershell-uninstall-windows-hotfixesupdates/1084
# http://download.windowsupdate.com/c/msdownload/update/software/secu/2021/10/windows10.0-kb5006667-x64_202bc0d5c7a8ffe626ff09ddb3b3f81e757a9d37.msu
#=============================================================================================================================
$HotfixID = "KB5006667"
$logpath = "C:\Windows\debug\UninstallHotfi$HotfixID.log"
#Add log fuction
Function Write-Log {
[CmdletBinding()]
Param(
[Parameter(Mandatory=$False)]
[ValidateSet("INFO","WARN","ERROR","FATAL","DEBUG")]
[String]
$Level = "INFO",
[Parameter(Mandatory=$True)]
[string]
$Message,
[Parameter(Mandatory=$False)]
[string]
$logfile
)
$Stamp = (Get-Date).toString("yyyy/MM/dd HH:mm:ss")
$Line = "$Stamp $Level $Message"
If($logfile) {
Add-Content $logfile -Value $Line
}
Else {
Write-Output $Line
}
}
#Add Uninstall hotfix fuction
function Uninstall-Hotfix {
[cmdletbinding()]
param(
[string] $HotfixID
)
$hotfixes = Get-WmiObject -Class Win32_QuickFixEngineering | select hotfixid
if($hotfixes -match $hotfixID) {
write-log INFO -logpath $logpath -message "$hotfixID detected on system"
#detect architecture
write-log INFO -logpath $logpath -message "Actual processor architecture = $env:PROCESSOR_ARCHITECTURE"
if ($env:PROCESSOR_ARCHITECTURE -eq "AMD64"){
write-log INFO -logpath $logpath -message "Processor architecture condition pass on x64"
write-log INFO -logpath $logpath -message "Trying to unsinstall package Package_for_RollupFix~31bf3856ad364e35~amd64~~18362.1854.1.5"
Remove-WindowsPackage -Online -PackageName "Package_for_RollupFix~31bf3856ad364e35~amd64~~18362.1854.1.5" -norestart
write-log INFO -logpath $logpath -message "Install exit code = $?"
write-log INFO -logpath $logpath -message "Trigger restart on 60 min, display message"
shutdown -r -f -t 3600
}
if ($env:PROCESSOR_ARCHITECTURE -eq "x86"){
write-log INFO -logpath $logpath -message "Processor architecture condition pass on x86"
write-log INFO -logpath $logpath -message "Trying to unsinstall package Package_for_RollupFix~31bf3856ad364e35~amd64~~18362.1854.1.5"
Remove-WindowsPackage -Online -PackageName "Package_for_RollupFix~31bf3856ad364e35~amd64~~18362.1854.1.5" -norestart
write-log INFO -logpath $logpath -message "Install exit code = $?"
write-log INFO -logpath $logpath -message "Trigger restart on 60 min, display message"
shutdown -r -f -t 3600
}
}
else {
write-log warn -logpath $logpath -message "Problematic hotfix not found - return exit 1, detection methode failed"
exit 1
}
}
Uninstall-Hotfix -HotfixID $HotfixID
#Impacted OS = 10.0.18363 (update 10.0.18363.1854)
$OSbuild = (Get-CimInstance Win32_OperatingSystem).version
if($OSbuild -eq "10.0.18363"){
#Scipt designed by Jonathan Clanet (Cortex GH)#
$Installedhotfix = Get-HotFix
$Installedhotfix.HotFixID
#Check if hotfixe is installed ($True = yes, $False = no)
$CheckIfHotfixIsInstalled = $Installedhotfix.HotFixID -contains "KB5006667"
try{
if ($CheckIfHotfixIsInstalled -eq $false){
write-host "Update not found, all rights"
exit 0
}
else {
write-host "Update found, need to be uninstall"
exit 1}
}
catch{
$errMsg = $_.Exception.Message
write-host $errMsg
exit 1
}
}
else {#Other OS exit
exit 1
}
